Macromolecules

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Across
  1. 2. a reaction that releases more energy than is used
  2. 3. - a reaction that uses more energy than is released
  3. 5. monomer of nucleic acid
  4. 8. organic compounds that contain carbon, hydrogen, and oxygen atoms
  5. 12. a single sugar molecule
  6. 14. organic compounds that contain carbon, hydrogen, oxygen, and nitrogen
  7. 16. the amount of energy needed to start a chemical reaction
  8. 19. type of lipid that is found in cell membranes
Down
  1. 1. large sugar molecule
  2. 4. atoms or small molecules that bond together to form more complex structures
  3. 6. changes substances into different substances by breaking and forming chemical bonds.
  4. 7. large organic molecules that make up all living things
  5. 9. nonpolar molecules that include fats, oils, steroids, and waxes.
  6. 10. polymer of proteins
  7. 11. large molecule which consists of many identical or similar subunits connected together
  8. 13. monomer of proteins
  9. 15. an abbreviation for the side chain of a protein
  10. 17. biological catalysts which speed up chemical reactions in the body without being used up themselves
  11. 18. the presence of an enzyme ________ the reaction's activation energy